[INFO] cloning repository https://github.com/mvkvc/rustlings
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mvkvc/rustlings" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmvkvc%2Frustlings", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmvkvc%2Frustlings'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2d0860fe1bd0aef512313617d8a26e9f118d2cd2
[INFO] building mvkvc/rustlings against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmvkvc%2Frustlings" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mvkvc/rustlings
[INFO] finished tweaking git repo https://github.com/mvkvc/rustlings
[INFO] tweaked toml for git repo https://github.com/mvkvc/rustlings written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mvkvc/rustlings on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mvkvc/rustlings already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded inotify v0.9.6
[INFO] [stderr]   Downloaded notify-debouncer-mini v0.4.1
[INFO] [stderr]   Downloaded kqueue-sys v1.0.4
[INFO] [stderr]   Downloaded kqueue v1.0.8
[INFO] [stderr]   Downloaded notify v6.1.1
[INFO] [stderr]   Downloaded clap_derive v4.5.13
[INFO] [stderr]   Downloaded fsevent-sys v4.1.0
[INFO] [stderr]   Downloaded signal-hook v0.3.17
[INFO] [stderr]   Downloaded clap v4.5.17
[INFO] [stderr]   Downloaded filetime v0.2.25
[INFO] [stderr]   Downloaded syn v2.0.77
[INFO] [stderr]   Downloaded inotify-sys v0.1.5
[INFO] [stderr]   Downloaded tempfile v3.12.0
[INFO] [stderr]   Downloaded os_pipe v1.2.1
[INFO] [stderr]   Downloaded clap_builder v4.5.17
[INFO] [stderr]   Downloaded rustix v0.38.35
[INFO] [stderr]   Downloaded crossbeam-channel v0.5.13
[INFO] [stderr]   Downloaded crossterm v0.28.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3b09907eadbbb77abda138bce9975447d87ca987cf634f013e833b6f9639dd86
[INFO] running `Command { std: "docker" "start" "-a" "3b09907eadbbb77abda138bce9975447d87ca987cf634f013e833b6f9639dd86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b09907eadbbb77abda138bce9975447d87ca987cf634f013e833b6f9639dd86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b09907eadbbb77abda138bce9975447d87ca987cf634f013e833b6f9639dd86", kill_on_drop: false }`
[INFO] [stdout] 3b09907eadbbb77abda138bce9975447d87ca987cf634f013e833b6f9639dd86
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1fb267346b6880405322cced92b28c26c3b9242170f6bdfd458f67098fdb5b63
[INFO] running `Command { std: "docker" "start" "-a" "1fb267346b6880405322cced92b28c26c3b9242170f6bdfd458f67098fdb5b63", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling serde v1.0.209
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling utf8parse v0.2.2
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]    Compiling colorchoice v1.0.2
[INFO] [stderr]    Compiling is_terminal_polyfill v1.70.1
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling anstyle v1.0.8
[INFO] [stderr]    Compiling anstyle-query v1.1.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling rustix v0.38.35
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling anstyle-parse v0.2.5
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling anyhow v1.0.86
[INFO] [stderr]    Compiling linux-raw-sys v0.4.14
[INFO] [stderr]    Compiling serde_json v1.0.128
[INFO] [stderr]    Compiling clap_lex v0.7.2
[INFO] [stderr]    Compiling winnow v0.6.18
[INFO] [stderr]    Compiling anstream v0.6.15
[INFO] [stderr]    Compiling bitflags v2.6.0
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling clap_builder v4.5.17
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.13
[INFO] [stderr]    Compiling indexmap v2.5.0
[INFO] [stderr]    Compiling ryu v1.0.18
[INFO] [stderr]    Compiling itoa v1.0.11
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling inotify-sys v0.1.5
[INFO] [stderr]    Compiling mio v1.0.2
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling filetime v0.2.25
[INFO] [stderr]    Compiling mio v0.8.11
[INFO] [stderr]    Compiling os_pipe v1.2.1
[INFO] [stderr]    Compiling inotify v0.9.6
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling notify v6.1.1
[INFO] [stderr]    Compiling signal-hook-mio v0.2.4
[INFO] [stderr]    Compiling crossterm v0.28.1
[INFO] [stderr]    Compiling notify-debouncer-mini v0.4.1
[INFO] [stderr]    Compiling serde_derive v1.0.209
[INFO] [stderr]    Compiling clap_derive v4.5.13
[INFO] [stderr]    Compiling clap v4.5.17
[INFO] [stderr]    Compiling toml_datetime v0.6.8
[INFO] [stderr]    Compiling serde_spanned v0.6.7
[INFO] [stderr]    Compiling toml_edit v0.22.20
[INFO] [stderr]    Compiling rustlings-macros v6.3.0 (/opt/rustwide/workdir/rustlings-macros)
[INFO] [stderr]    Compiling rustlings v6.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 37.24s
[INFO] running `Command { std: "docker" "inspect" "1fb267346b6880405322cced92b28c26c3b9242170f6bdfd458f67098fdb5b63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fb267346b6880405322cced92b28c26c3b9242170f6bdfd458f67098fdb5b63", kill_on_drop: false }`
[INFO] [stdout] 1fb267346b6880405322cced92b28c26c3b9242170f6bdfd458f67098fdb5b63
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dabf705dde6086905a23da22f06809eac19ed17a78937caa609fb43c34017e49
[INFO] running `Command { std: "docker" "start" "-a" "dabf705dde6086905a23da22f06809eac19ed17a78937caa609fb43c34017e49", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]    Compiling rustix v0.38.35
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling serde v1.0.209
[INFO] [stderr]    Compiling bitflags v2.6.0
[INFO] [stderr]    Compiling winnow v0.6.18
[INFO] [stderr]    Compiling linux-raw-sys v0.4.14
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling crossbeam-channel v0.5.13
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling clap_builder v4.5.17
[INFO] [stderr]    Compiling fastrand v2.1.1
[INFO] [stderr]    Compiling anyhow v1.0.86
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling indexmap v2.5.0
[INFO] [stderr]    Compiling signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling inotify-sys v0.1.5
[INFO] [stderr]    Compiling mio v0.8.11
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling filetime v0.2.25
[INFO] [stderr]    Compiling mio v1.0.2
[INFO] [stderr]    Compiling os_pipe v1.2.1
[INFO] [stderr]    Compiling inotify v0.9.6
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]    Compiling notify v6.1.1
[INFO] [stderr]    Compiling signal-hook-mio v0.2.4
[INFO] [stderr]    Compiling notify-debouncer-mini v0.4.1
[INFO] [stderr]    Compiling clap v4.5.17
[INFO] [stderr]    Compiling crossterm v0.28.1
[INFO] [stderr]    Compiling toml_datetime v0.6.8
[INFO] [stderr]    Compiling serde_spanned v0.6.7
[INFO] [stderr]    Compiling serde_json v1.0.128
[INFO] [stderr]    Compiling toml_edit v0.22.20
[INFO] [stderr]    Compiling tempfile v3.12.0
[INFO] [stderr]    Compiling rustlings-macros v6.3.0 (/opt/rustwide/workdir/rustlings-macros)
[INFO] [stderr]    Compiling rustlings v6.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 29.58s
[INFO] running `Command { std: "docker" "inspect" "dabf705dde6086905a23da22f06809eac19ed17a78937caa609fb43c34017e49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dabf705dde6086905a23da22f06809eac19ed17a78937caa609fb43c34017e49", kill_on_drop: false }`
[INFO] [stdout] dabf705dde6086905a23da22f06809eac19ed17a78937caa609fb43c34017e49